Table of Contents
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Es
Frequency
Hz
I
L
MAX
MIN
P
PF
Q
RMS
S
Nominal voltage
U
V
VA
var
varh
W
W·h
Apparent energy
Number of full cycles of voltage or current per second
Hertz (unit of frequency)
Symbol for current
Phase of a multiphase network
Maximum value
Minimum value
Active power
Power Factor: Ratio of active power to apparent power
Reactive power
RMS (Root Mean Square) average quadratic value of
the current or voltage. Square root of the average of the
squares of instantaneous values of a quantity during a
specified interval
Apparent power
Nominal voltage of a network
Voltage between two phases
Phase-neutral voltage or Volt (unit of voltage)
Unit of apparent power (Volt x Ampere)
Unit of reactive power
Unit of reactive energy
Unit of active power (Watt).
Unit of active energy (Watt x hours)
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